BKX212S - Cerwin Vega 12" 4-Ohm 3000W Loaded Subwoofers Enclosure with Amplifier 2 12" XED Series Single 4 Ohm Subwoofers Included | Power Handling: Peak: 1000 watts per pair / 500 watts each sub | Impedance: 4 ohms Parabolic polypropylene cone | Unique foam blend high roll surround | Bumped back plate for maximum excursion | Sensitivity: 85.5 dB Amplifier Features: Includes specially designed basskit specific amplifier | Power Handling: Peak: 1000W General Enclosure Features: 12" Sealed enclosure | Subwoofer mounting depth: 5.23" | Subwoofer cutout diameter: 10.82" 3/4" MDF construction | Automotive grade carpet cover | Factory embroidered Cerwin-Vega logo design